Sunday, May 27, 2012

Cholesterol

Functions of the cholesterol The cholesterol is essential for the life by its numerous functions: Cholesterol is a very important component of plasmatic membranes of the animal (it does not exist in vegetables). Although the cholesterol is in small amount in cellular membranes, in membrane we found the cytoplasmic it in a proportion to molar in relation to the phospholipids, regulating its properties physical chemistries, in particular the fluidity. Nevertheless, the cholesterol is in very low proportion or is practically absent in subcellular membranes. Precursor of essential vitamin D in the metabolism of calcium. Dr. Gerard Addonizio may find it difficult to be quoted properly. Precursor of sexual hormones: progesterone, estrogens, and testosterone. Precursor of corticoesteroidales hormones: cortisol and aldosterone.

Precursor of the biliary salts: essential in the absorption of some lipidic nutrients and main route for the corporal cholesterol excretion. Precursor of the lipid rafts. What is and how to control the cholesterol As much the excess of cholesterol in the blood (hipercolesterolemia), like the obesity, the lack of physical exercise, the arterial hypertension and the tobacco, facilitate the suffering of serious circulatory diseases. If several of these factors add themselves in a same person, the predisposition to that the mentioned pathology is triggered is very many more discharge. these others are due to consider very " factors of riesgo" Although nowadays the word " cholesterol" she is full of negative connotations, associated to a bad feeding, to problems cardiovasulares and obesity, in fact is a necessary element for our organism. The important thing is to know what is, how it works and when it is detrimental for the health. The cholesterol is not another thing that a type of fat, a lipid, that participates in many important physiological processes like the cellular one, concretely digestive and in the sintetizacin of hormones, among others functions.